79699101 has 4 divisors (see below), whose sum is σ = 106265472. Its totient is φ = 53132732.

The previous prime is 79699097. The next prime is 79699141. The reversal of 79699101 is 10199697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10199697 = 3 ⋅3399899.

It is a cyclic number.

It is not a de Polignac number, because 79699101 - 2² = 79699097 is a prime.

It is a super-3 number, since 3×79699101³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79699141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13283181 + ... + 13283186.

It is an arithmetic number, because the mean of its divisors is an integer number (26566368).

Almost surely, 2^79699101 is an apocalyptic number.

It is an amenable number.

79699101 is a deficient number, since it is larger than the sum of its proper divisors (26566371).

79699101 is a wasteful number, since it uses less digits than its factorization.

79699101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26566370.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 79699101 is about 8927.4352980013. The cubic root of 79699101 is about 430.3460365824.

It can be divided in two parts, 79699 and 101, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 79699101 in words is "seventy-nine million, six hundred ninety-nine thousand, one hundred one".